Sagittaria papillosa, the nipplebract arrowhead, is a perennial plant species growing up to tall. Petioles are triangular in cross-section, the leaf blade very narrowly elliptical to ovate, not lobed. The species is distinguished from others in the genus by having bumps (papillae) resembling nipples on the flower bracts.Godfrey, R. K. & J. W. Wooten. 1979. Aquatic and Wetland Plants of Southeastern United States Monocotyledons 1–712. The University of Georgia Press, Athens. Sagittaria papillosa
It is native to the south-central United States (Texas, Oklahoma, Louisiana, Arkansas and Mississippi).Biota of North America Program, Sagittaria papillosa It grows in wet places such as marshes and the banks of lakes and slow-moving streams.
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